Mercedes-Benz is very active in China recently; here are some actions in China during 2011 and 2012. The most recent one is Benz "cooperation" with Chinese National Golf team.

Mercedes-Benz Shanghai Arena
http://en.wikipedia.org/wiki/Shanghai_Arena

Beijing Benz Automotive Co., Ltd.
http://en.wikipedia.org/wiki/Beijing_Benz

Shanghai International Circuit
http://en.wikipedia.org/wiki/Shanghai_International_Circuit

It contains footage of Audi and BMW car show;
In 2011, Benz sold 198,520 in China; BMW 232,586; Audi 313,036 of which 252,000 made in China; and total 18,401,890 cars produced and 18,505,100 sold in China in 2011.